Dec 18 11:39:25.968 INFO checking rustysignal-1.0.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:39:25.968 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rustysignal/1.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:39:26.351 INFO [stdout] fd584d3985b0de101e68dcb52b839bab72ae449ed3d0a91fa6f0987ef3e84d36
Dec 18 11:39:26.353 INFO running `"docker" "start" "-a" "fd584d3985b0de101e68dcb52b839bab72ae449ed3d0a91fa6f0987ef3e84d36"`
Dec 18 11:39:27.876 INFO [stderr]     Checking mio-extras v2.0.5
Dec 18 11:39:28.640 INFO [stderr]     Checking ws v0.7.9
Dec 18 11:39:30.389 INFO [stderr]     Checking rustysignal v1.0.0 (/opt/crater/workdir)
Dec 18 11:39:31.407 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
Dec 18 11:39:31.974 INFO running `"docker" "inspect" "fd584d3985b0de101e68dcb52b839bab72ae449ed3d0a91fa6f0987ef3e84d36"`
Dec 18 11:39:32.237 INFO running `"docker" "rm" "-f" "fd584d3985b0de101e68dcb52b839bab72ae449ed3d0a91fa6f0987ef3e84d36"`
Dec 18 11:39:32.441 INFO [stdout] fd584d3985b0de101e68dcb52b839bab72ae449ed3d0a91fa6f0987ef3e84d36